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grin007 [14]
3 years ago
11

What happens when a sound source is moving?

Biology
1 answer:
Mumz [18]3 years ago
7 0

Explanation:

It stretched or compresses the sound waves it is producing if it is relatively moving away to getting closer respectively. This is called the <u>Doppler shift effect</u>..

This is why when a wailing ambulance approached you, the pitch of its wailing is high but when it passes you and moves away from you the pitch of the wailing lowers. Remember this is happening relative to your position.

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The beta cells of the pancreatic islets secrete glucagon in response to low blood glucose levels.
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glucagon changes glycogen to glucose

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Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil (Group 1) and the other a contro
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the humus contains the minerals necessary for chlorophyll synthesis

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Zaccharias Janssen was a scientist who studied properties of light and invented one of the first compound microscopes in the lat
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